Patent · US Expired

Two piece holder for PCR sample tubes

US5710381A · kind A · utility

121Cited by
51References
18Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 1, 1994
Grant dateJan 20, 1998
Priority date
Expiry dateMar 1, 2014

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB01L2300/185
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

A two-piece plastic holder for loosely holding microliter sample tubes of a preselected design, each tube having a cylindrically shaped upper section open at its top end, a closed, tapered lower section extending downwardly therefrom, and a circumferential shoulder extending outwardly from the upper section at a position on the upper section spaced from the open end thereof. The holder includes a one-piece tray member and a one-piece retainer. The one-piece tray member including a flat, horizontal plate section containing holes in a rectangular array, a first vertical tray sidewall section around the plate extending upwardly to a height greater than the height of a tube resting in one of the holes, and a second vertical tray sidewall section around the plate extending downwardly approximately to the bottom of the upper section of a tube resting in one of the holes. The one-piece retainer is releasably engageable inside the tray over any sample tubes resting in the tray. The retainer comprises a flat, horizontal plate section containing holes in a rectangular array, and a vertical retainer sidewall section around the retainer plate section extending upwardly from the plate. When the…

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.